Which method of contraception releases hormones to stop ovulation?

RRB Nsg. Superintendent-2026 (Shift -2nd)

Obstetrics & Gynaecology

Easy

Appeared in: RRB Nsg. Superintendent-2026 (Shift -2nd)

Explanation

Oral contraceptive pills contain synthetic hormones (estrogen and/or progestin) that prevent pregnancy.
The primary mechanism is the suppression of gonadotropin release from the pituitary gland, which inhibits the mid-cycle LH surge, thereby preventing ovulation.
Secondary mechanisms include thickening cervical mucus to impede sperm transit and altering the endometrium to make it unfavorable for implantation.
These pills are a highly effective, reversible form of contraception when taken correctly.

Option A: The withdrawal method (coitus interruptus) is a behavioral technique, not a hormonal one. It relies on timing rather than altering the body's hormonal state.
Option C: Copper-T is an Intrauterine Device (IUD) that is non-hormonal. It works by releasing copper ions, which are spermicidal and cause a local inflammatory reaction in the uterus to prevent implantation.
Option D: A condom is a physical barrier method. It prevents pregnancy by physically blocking sperm from entering the female reproductive tract. It contains no hormones.

Visual 1: Diagram - Illustrating the negative feedback mechanism of hormonal contraceptives on the hypothalamic-pituitary-ovarian axis, showing the suppression of FSH and LH, which prevents follicular development and ovulation.
Visual 2: Chart - Comparing the mechanisms of action for different contraceptive categories: hormonal, barrier, IUD, and natural methods.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Mechanism of action of hormonal contraception as background academic context rather than a clinical decision trigger.
Nurses play a crucial role in educating patients about their contraceptive options, ensuring they understand the mechanism, effectiveness, side effects, and correct usage of their chosen method.
A thorough health history is essential before recommending hormonal contraceptives, as they are contraindicated in patients with a history of thromboembolic disorders, certain cancers, liver disease, or uncontrolled hypertension.
Patient counseling should emphasize that while hormonal contraceptives are highly effective for preventing pregnancy, they do not protect against sexually transmitted infections (STIs). The use of condoms should be advised for STI prevention.

How to Approach the Question

First, identify the key requirements in the question: the method must 1) release hormones and 2) stop ovulation.
Evaluate each option against these two criteria.
Analyze Option A (Withdrawal method): This is a behavioral action, not a hormonal one. Eliminate it.
Analyze Option B (Oral contraceptive pills): Recall that these are known as 'the pill' and contain hormones to prevent pregnancy, primarily by stopping ovulation. This is a strong candidate.
Analyze Option C (Copper-T): This is an IUD. The 'Copper' part indicates it's non-hormonal; it works locally in the uterus. Eliminate it.
Analyze Option D (Condom): This is a physical barrier. It does not involve hormones. Eliminate it.

Concept Tested & Keywords

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